Voice over IP

I have a 28 port Gigabit PoE Switch here that is doing constant, unscheduled reboots; about once every 2 weeks. This is now the 2nd switch we are on. I already RMA'd the first one because of the same issue. Native/untagged VLAN for generic internet t...

Hi All,  I have 15 Cisco phones model SPA502G in the company and i'm connecting them to the PBX by IP address and subnet mask. Now i purchased new phone model 8845 but i couldn't registered the phone in the same way as it's required CUCM QR to regist...

I have successfully registered my SIP endpoints (which we have developed) with Broadsoft sandbox environment.  I can make basic calls without problems. When I try to conduct feature tests like Call Waiting (CW), Call Hold (CH), and Call Transfer (CT)...

Hello, I am new to the support community and hope to find some helpo with configuring my 7961 phones with Ring Central.  The Cisco TAC already assisted me with changing the software image to SIP from Skinny so I am good there.  I just need some assis...

TRAI Regulation on Inbound outbound calling in Domestic Call centres in India As govt of India is promoting to create jobs in rural area's in Big way we are getting stuck as there is no clarity of making or receiving calls in our centers in Rural Are...

We are facing call transfer issue where using Genesys PBX where VGW is Cisco 4431 router ...how do we troubleshoot on VGW end ...MGCP gateway configured ..attaching VGW config..which debug command will give idea when the call transfer fail

Hi Folks,I have a BE6K running CUCM 11.5 in the Middle East. We have found that we are unable to Call Forward externally and I think this is down to the fact that the invite is coming the external party calling in. So for example Phone A is forwarded...

hello,I got an issue that i need to configure two remote routers 4321 to connect between them logical telephone line FXO to FXS.One router will be with FXO card that connected to call center on rg-11 cable.thought out the wan i got to other router th...

Hey guys I'm struggling with a NAT/SIP config I'm working on (on a 800 serie, running 15.3(3)M6)). NAT and routing are working fine, but I sometimes see  the outside IP address in the SIP packets on the inside interface. I have a PC with an IP phone ...

I am starting this discussion area to help answer any questions related to Verizon's IP Trunking services for Cisco VoIP products.I work with the Verizon engieering teams to help with Interop issues between Cisco and Verizon's VoIP network.Please fee...

One of my customers has a specific problem, which im unable to solve. Hopefull someone's able to help me out. Problem:Cisco CP-BEKEM-3PCC (Key Expansion Module) is occasionally not recognized by Cisco CP-8851-3PCC-K9 (with Multiplatform Phone firmwar...

I am implementing a QoS policy on the ASR920 and I'm having trouble getting it to classify packets on egress.   I tried a very simple class matching EF and a policy to test it and when pinging out the interface with dscp ef set, all the pings fall in...

Hi guys,In VoIP, I confuse the 2 concepts,'cluster' and 'zone'. Who can tell me and give me some configure samples, thanks.yytellmey

hi, guys thanks for time and help i have the next configuration:  class-map match-any VOIP match protocol h323 match protocol sip match protocol rtcp match protocol rtp ! ! policy-map VOIPQOS class VOIP priority 2000 set dscp ef ! ! !and i...

Hi,I am trying to register my sip phones to FreePBX, but the criteria for the registration is that you are able to know the username and password of the device(sip phones). Here I have a 7942 Cisco IP phone and having issues on how to track and get a...